[GRASS-user] DAtum Warning while using r.in.gdal

[Kim Besson]

Greetings

Following a few suggestions made at this list I'm using gdalwarp to project
a few landsat images and only then yusing r.in.gdal.

I'm using this expression to reproject image:
gdalwarp -t_srs "+proj=tmerc +lat_0=39.66825833333333
+lon_0=-8.133108333333334 +k=1 +x_0=0 +y_0=0 +ellps=GRS80 +units=m +no_defs
" L71203033_03320001023_B10.TIF  landsat_out.tif

And when I run r.in.gdal I get this warning:
Datum <unknown> not recognised by GRASS and no parameters found
Projection of input dataset and current location appear to match

What does this means?

Thanks
kim
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